Table I.
Intra-subject (short and long term), intra-observer (short term) and inter-observer (short term) RMSE Coefficient of Variation (%) of T2 and T1ρ measurements.
| Volunteer | Intra-subject Short-term | Intra-subject Long-term | Intra-observer Short-term | Inter-observer Short-term |
|---|---|---|---|---|
| T2 Measurements (%CVRMSE) | ||||
| GLOBAL MEAN | 5.2 (± 0.9) | 9.0 (± 2.8) | 3.5 (± 1.5) | 5.3 (± 1.2) |
| GLOBAL RANGE | [4.1–6.3] | [6.6–13.7] | [2.0–5.2] | [4.1–6.6] |
| PIXEL-WISE MEAN | 10.8 (± 1.0) | 14.6 (± 3.0) | 5.8 (± 1.8) | 9.3 (± 2.9) |
| PIXEL-WISE RANGE | [9.2–11.8] | [11.8–19.6] | [4.0–8.3] | [6.5–11.1] |
| T1ρ Measurements (%CVRMSE) | ||||
| GLOBAL MEAN | 6.6 (± 3.2) | 5.3 (± 1.1) | 2.3 (± 0.5) | 3.6 (± 0.5) |
| GLOBAL RANGE | [3.6–10.4] | [4.3–6.9] | [1.6–2.8] | [2.8–4.1] |
| PIXEL-WISE MEAN | 12.2 (± 2.7) | 12.3 (± 2.4) | 5.0 (± 1.6) | 7.1 (± 0.9) |
| PIXEL-WISE RANGE | [9.2–15.0] | [9.5–15.3] | [3.1–7.5] | [5.6–7.9] |